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101.
We study how estimators that are used to impute consumption in survey data are inconsistent due to measurement error in consumption. Previous research suggests instrumenting consumption to overcome this problem. We show that, if additional regressors are present, then instrumenting consumption may still produce inconsistent estimators due to the likely correlation between additional regressors and measurement error. On the other hand, low correlations between additional regressors and instruments may reduce bias due to measurement error. We apply our findings by revisiting recent research that imputes consumption data from the CEX to the PSID. 相似文献
102.
Young Woon Choi Ji Yong Lee Doo Bong Han Rodolfo M. Nayga Jr. 《Revue canadienne d'agroeconomie》2018,66(3):511-531
The current Korean rice‐grading system has a “no test” option that allows rice to not be graded in the market. This study examines Korean consumers’ valuation of a rice‐grading system without the “no test” option. We apply a nonhypothetical experimental auction to elicit consumers’ willingness to pay for each rice grade and identify the impact of the provision of additional grading information on product valuation. We then use contingent and inferred valuations to obtain consumers’ valuation of a mandatory rice‐grading system without the “no test” option. We find that Korean consumers are willing to pay an additional premium for each rice grade and that rice‐grading information is the most important factor that differentiates the rice products. Rice consumers in Korea also strongly prefer a mandatory rice‐grading system without the “no test” option. 相似文献
103.
I add heterogeneous agents and risk-sharing opportunities to a global game of regime change. The novel insight is that when there is a risk-sharing motive, fundamentals drive not only individual behavior, but also select which individuals are more relevant for the likelihood of a crisis because of endogenous shifts in wealth. If attacking is relatively safe, attack behavior in the global game and trade in state-contingent assets feed back into each other. This feedback implies that multiple equilibria may exist even if signal noise becomes arbitrarily small. In addition, heterogeneity in risk-aversion within the population amplifies the influence of the state of the economy on the probability of a crisis. 相似文献
104.
Vincenzina Caputo Ellen J. Van Loo Riccardo Scarpa Rodolfo M. Nayga Jr. Wim Verbeke 《Journal of Agricultural Economics》2018,69(1):35-57
A number of choice experiment (CE) studies have shown that survey respondents employ heuristics such as attribute non‐attendance (ANA) while evaluating food products. This paper addresses a set of related methodological questions using empirical consumer data from a CE on poultry meat with sustainability labels. First, it assesses whether there are differences in terms of marginal willingness to pay estimates between the two most common ways of collecting stated ANA (serial and choice task level). Second, it validates the self‐reported ANA behaviour across both approaches. Third, it explores the concordance of stated methods with that of the inferred method. Results show that WTP estimates from serial‐level data differ from those from choice task‐level data. Also, self‐reported measures on choice task ANA are found to be more congruent with model estimates than those for serial ANA, as well as with inferred ANA. 相似文献
105.
106.
This study examines the relationship between perceived justice, emotions, and satisfaction during service recovery (SR). The current research work proposes a model analyzing the direct effects of justice on satisfaction, along with its indirect effects, via emotions. A field study that captures consumer perceptions of actual SR situations in the cellular-telephone sector tests the model. The paper investigates the relative effects of the dimensions of perceived justice on satisfaction and the emotions triggered by SR. Results indicate that all three justice dimensions affect satisfaction, with procedural justice showing the strongest relative influence, as well as being the only dimension affecting the emotions. Results also show that negative emotions mediate the effects of justice on satisfaction with SR (SSR). 相似文献
107.
On the Dynamics of Trade Patterns 总被引:11,自引:0,他引:11
In this paper we analyse the dynamics of trade patterns in the six largest industrialised countries and in eight fast growing Asian economies. For each of these countries we study the shape of the sectoral distribution of an index of trade specialisation and its evolution over time. Our analysis shows a marked difference between the advanced and the emerging countries as far as the degree of persistence is concerned: the former have in fact a highly persistent trade pattern, whereas the latter show a rapidly changing trade specialisation. However, the two groups of countries are more similar as far as the evolution of the degree of specialisation is concerned. Although emerging countries are still more specialised than the industrialised countries, both groups show a tendency toward a reduced polarisation and a more symmetric distribution of the specialisation index. This evidence is in line with the traditional trade theory, in which changing comparative advantage is the determinant of a changing trade pattern. Contrarily, this evidence does not support the idea that self-reinforcing mechanisms are prominent in international trade specialisation. 相似文献
108.
Carmen D. Sosa Pedro Prieto Juan I. Capafóns Inmaculada García Bello 《Quality and Quantity》2007,41(2):163-175
This work presents the psychometric study of a questionnaire on participation in psychological therapy (QPPT). The study is
applied to oncological patients and the questionnaire was designed to evaluate the reasons given by chronic patients when
participating or not in programmes of psychological treatment.
The questionnaire includes six rational areas which resulted from the confirmatory factorial analysis.The internal consistency
of the scales was analysed through Cronbach’s Alpha, and their discriminatory capacity between criterion groups of oncological
patients was tested by means of t-tests and discriminant analyses. The results support, to a reasonable extent, the reliability and validity of the QPPT as
an instrument to evaluate the reasons of participation or refusal of psychological treatment in oncological patients. 相似文献
109.
A Spatial Econometric Approach to the Economics of Site-Specific Nitrogen Management in Corn Production 总被引:7,自引:1,他引:7
Luc Anselin Rodolfo Bongiovanni Jess Lowenberg-DeBoer 《American journal of agricultural economics》2004,86(3):675-687
The objective of this study is to determine the potential for using spatial econometric analysis of combine yield monitor data to estimate the site-specific crop response functions. The specific case study is for site-specific nitrogen (N) application to corn production in Argentina. Spatial structure of the yield data is modeled with landscape variables, spatially autoregressive error and groupwise heteroskedasticity. Results suggest that N response differs by landscape position, and that site-specific application may be modestly profitable. Profitability depends on the model specification used, with all spatial models consistently indicating profitability, whereas the nonspatial models do not. 相似文献
110.